netdev - Re: [patch net] mlxsw: core: Fix race condition in __mlxsw_emad

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Date:	Thu, 15 Oct 2015 06:03:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jiri@...nulli.us
Cc:	netdev@...r.kernel.org, idosch@...lanox.com, eladr@...lanox.com
Subject: Re: [patch net] mlxsw: core: Fix race condition in
 __mlxsw_emad_transmit

From: Jiri Pirko <jiri@...nulli.us>
Date: Thu, 15 Oct 2015 08:21:55 +0200

> From: Ido Schimmel <idosch@...lanox.com>
> 
> Under certain conditions EMAD responses can be returned from the device
> even before setting trans_active. This will cause the EMAD Rx listener
> to drop the EMAD response - as there are no active transactions - and
> timeouts will be generated.
> 
> Fix this by setting trans_active before transmitting the EMAD skb.
> 
> Fixes: 4ec14b7634b2 ("mlxsw: Add interface to access registers and process events")
> Signed-off-by: Ido Schimmel <idosch@...lanox.com>
> Signed-off-by: Jiri Pirko <jiri@...lanox.com>

Applied, thanks.
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